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With the maturing of the telecom market , the fierce competition between telecom operators has reached a fevered pitch . In this market and pressure , telecom operators are not only to provide high-quality , diverse telecommunications network services , but also to continue to improve its operations support systems . Clearing system as an important part of the operation support system , responsible for vital functions . This paper studies the design of a of Guangdong Unicom comprehensive settlement system . Telecommunications support system design specifications , detailed functional requirements and performance requirements of the comprehensive settlement system , discussed the design and implementation of the comprehensive settlement system , and focuses on the key technology of a comprehensive settlement system . In this paper include the following : First, a detailed analysis of the functional requirements of the comprehensive settlement system , including acquisition , pre - processing , wholesale price , settlement , audit verification , reconciliation six functions ; comprehensive settlement system architecture ; based on the consolidated balance sheet modular characteristics of the system , the system 's modular division detail ; Finally, described the key technologies used in the comprehensive settlement system , especially the Petri mathematical models in the system . Line after a comprehensive settlement system , better able to support the interconnection between the operators , Unicom internal net billing , roaming settlement , streamline workflow and improve work efficiency .
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